21results about How to "Increase drilling speed" patented technology

The application relates to a diamond compact, which comprises a tooth sleeve, the cross section of the tooth sleeve is arranged in a circular ring, a blocking disc is coaxially fixed to an opening of one end of the tooth sleeve, a tooth lock body is fixed to the inner side of the blocking disc, a tooth body is provided with a lock groove at one end, a tooth crown is fixed to the other end, the tooth body is installed in the tooth sleeve, the tooth lock body is axially locked with the lock groove, and the tooth body can rotate relative to the tooth lock body. The tooth body can rotate around the tooth sleeve, the position of the tooth crown in contact with the rock is continuously changed, the abrasion of the same position of the tooth crown is reduced, the probability of sudden rupture of the tooth crown is greatly reduced, the cutting edge can be kept sharp for a long time, the service life of the compact is prolonged, and the drilling speed and footage of the PDC drill bit are improved.

The utility model discloses a novel electric control hydraulic punching device which comprises a shell, an electric cylinder connecting base is fixedly installed in the shell, a telescopic electric cylinder is installed in the electric cylinder connecting base, a top end cover is installed at the output end of the telescopic electric cylinder, and an electric cylinder pressure stabilizing plate protection outer pipe is fixedly installed in the shell. A power line connecting piece is fixedly mounted in the shell; the device is placed in a mechanical water jet cutter of an underground hydraulic cave-making water jet cutter device, the top end cover is controlled to move through stretching and retracting of the output end of the telescopic electric cylinder, and a water flow channel in the water jet cutter can be changed through movement of the top end cover, so that water flow can flow in the preset direction; therefore, the water flow direction in the water jet cutter is precisely controlled, the cutting efficiency and the hole forming quality of the water jet cutter can be remarkably improved through precise water flow control, and energy consumption and equipment abrasion are reduced.

This invention discloses a nitrogen-driven pneumatic directional drilling equipment for downhole cuttings removal in soft coal seams, comprising a nitrogen drive mechanism and a directional drilling rig. The directional drilling rig has a directional drill string assembly structure, which includes a drill rod. A probe outer tube is coaxially sleeved inside the drill rod, and a measuring probe is coaxially sleeved inside the probe outer tube. The measuring probe is used to measure the gas flow rate and pressure in the borehole. An annular downward air chamber for nitrogen gas flow is formed between the inner wall of the probe outer tube and the outer wall of the measuring probe. An air inlet is opened on the outer wall of the drill rod at the lower part, and an annular upward air chamber for nitrogen gas flow is formed between the inner wall of the drill rod above the air inlet and the outer wall of the probe outer tube. A trumpet-shaped wind shield, wider at the bottom and narrower at the top, is connected to the outer wall of the drill rod above the air inlet. This invention also discloses a corresponding borehole cuttings removal method. This invention significantly reduces the resistance to airflow, achieving faster drilling speeds and removing more cuttings under the same air volume and pressure.

The utility model discloses a self-drilling screw which comprises a screw head and a screw rod, a drill tail part is formed at the tail end, far away from the screw head, of the screw rod, the drill tail part comprises a drill tip and a chip groove located beside the drill tip, the screw head is in a funnel shape, and a plurality of chip guide channels distributed around the screw head in a vortex shape are formed at the bottom end of the screw head. The chip guiding channel extends upwards from the joint of the screw head and the screw rod, so that after the bottom of the screw head makes contact with waste chips accumulated on the surface of a component, the waste chips can be centrifugally thrown out along the chip guiding channel along with screwing rotation of the screw head, and the waste chips are discharged through the multiple chip outlets which are formed in the periphery of the upper end face of the screw head and communicate with the multiple chip guiding channels one to one. And the scraps are prevented from being blocked by the screw head and remaining between the lower part of the screw head and the surface of a component, so that the scraps are prevented from influencing the fastening between the self-drilling screw and the component, the subsequent cleaning is convenient, and the reliability of the self-drilling screw is improved.

A spiral sand removing machine capable of removing harmful solid phases in drilling fluid is characterized in that a feeding box is installed on a base, an overflow pipe and a stirrer motor are installed on the upper portion of the feeding box, and a feeding pipe and a sand discharging pipe are installed on the lower portion of the feeding box and connected with the spiral sand removing machine. The spiral sand removing machine is structurally characterized in that a spring supporting vibration frame is mounted on a base; a central shaft is mounted on a vibrating frame as a feeding pipe, bearing seats and eccentric wheels are mounted at two ends of the central shaft, a spiral screen pipe is mounted in the middle of the central shaft, and a driving motor is mounted below the eccentric wheels to drive the eccentric wheels, the central shaft and the spiral screen pipe to rotate to generate centrifugal force and vibrating force to throw drilling fluid out of a screen to flow into a circulating tank; and harmful solid phases and drilling cuttings are discharged out of the spiral screen pipe and are discharged into the sand setting tank. The technical requirement of purifying the drilling fluid is met.

The application discloses a downhole communication system and an implementation method thereof, which is used for realizing communication of logging-while-drilling equipment and rotary steering tool hanging connection, and comprises a single bus, a first type of hanging connection equipment hung on the single bus and used for occupying the single bus by using a first communication protocol, wherein data collected by the hanging connection equipment from different communication protocols is obtained in a preset complete communication period, a second type of hanging connection equipment hung on the single bus and used for occupying the single bus by using a second communication protocol, and a communication circuit hung on the single bus and used for transmitting the data collected by the second type of hanging connection equipment to the first type of hanging connection equipment through time-sharing communication with the hanging connection equipment of different communication protocols, wherein the hanging connection equipment with different communication protocols does not occupy the single bus at the same time at the same time. The application improves the hanging connection efficiency of the logging-while-drilling equipment and the rotary steering tool.

This utility model relates to the field of metal sheet processing technology, specifically a drilling device for metal sheets. It includes an operating table, a clamping assembly mounted at the center of the operating table, and movable adjustment assemblies distributed on both sides of the clamping assembly. A multi-axis drilling device, opposite to the clamping assembly, is mounted on the moving end of each movable adjustment assembly. This drilling device for metal sheets automatically clamps the metal sheet by driving a push plate and a clamping plate with a push cylinder in the clamping assembly. This eliminates the need for manual disassembly and re-fixing, reducing the operator's workload, avoiding manual positioning errors, and improving drilling efficiency and processing accuracy. The movable adjustment assemblies allow for precise adjustment of the position of the multi-axis drilling device, adapting to the processing needs of different hole positions and improving the device's versatility. The multi-axis drilling device allows for simultaneous processing of multiple holes in the metal sheet, significantly increasing drilling speed and meeting the needs of mass production.

The invention discloses a coiled tubing reaction torque reduction tool, system and method. The tool comprises a shell, an underground hydraulic control circuit, a hydraulic assembly, a clutch plate set, a clutch plate sleeve and a continuous oil pipe connector. The underground hydraulic control circuit is used for receiving a first electric signal instruction and controlling the hydraulic assembly to push and press the clutch disc set so that quantitative friction torque can be generated between clutch discs and transmitted to the continuous oil pipe connector. Or a second electric signal instruction is received, and the hydraulic assembly is controlled to release the clutch disc set so that the clutch discs can be in the loose state. The system comprises a coiled tubing reaction torque reduction tool, an upper computer, a coiled tubing and a drill bit. The upper computer is used for sending an electric signal instruction to the underground hydraulic control circuit and controlling whether reaction torque generated by the drill bit is transmitted to the coiled tubing or not. According to the tool, system and method, the damage probability of the coiled tubing can be greatly reduced, and the service life of the coiled tubing is prolonged.

This utility model discloses a device for treating blockages in underground mine chutes, including a support platform with a support plate mounted on top. A drive motor is fixedly connected to the top of the support plate. A lifting rod passes through the top of the support platform and is rotatably connected to the support plate. The output end of the drive motor meshes with the top of the lifting rod via gears. A drilling assembly is fixedly connected to the bottom of the lifting rod. An explosive charge is mounted on the upper part of the drilling assembly, and a digital electronic detonator is installed on the top of the explosive charge. A remote detonator is installed at the digital electronic detonator. A fixing assembly is installed at the lower part of the drilling assembly. The fixing and rotating parts of the drilling assembly are connected by threads. After one round of blasting is completed, a new rotating part can be easily and quickly threaded onto the fixing part to continue the next round of blasting without the need for large-scale disassembly and replacement of the entire device, reducing equipment wear and maintenance costs, improving drilling efficiency, and enhancing construction safety by using a remote detonator.

The invention relates to the technical field of oil and gas well drilling and completion engineering design and construction, in particular to a shale oil horizontal well aggressive drilling method which comprises the steps that the actual torsion resistance value of a drill rod is measured; a safety coefficient is set, and the maximum allowable torque T of the drill rod is determined; selecting a drilling tool; aggressive drilling parameters are adjusted, so that the actual torque of the drill rod is close to and does not exceed the maximum allowable torque T; pulling out after aggressive drilling is completed; and during aggressive drilling next time, the safety coefficient is adjusted, and the steps are repeated. By means of the aggressive drilling method, the service life of the drilling tool of the shale oil horizontal well can be effectively prolonged, and the efficient development efficiency of the horizontal well can be guaranteed.

The invention relates to the technical field of oil and gas well drilling and completion, in particular to a method and system for prolonging the service cycle of a gas drilling rubber core, and the method comprises the steps that after the rubber core of a rotary blowout preventer is installed, a drilling tool continues to be put into a well mouth to the well bottom; gas is injected into a hexagonal drill rod of the drilling tool, and the gas returns out of a drill bit of the drilling tool along the drilling tool, enters an annular space between the drilling tool and a borehole and moves upwards; detecting whether sealing of the rubber core fails, and if not, discharging gas along an overflow pipeline on one side of the rotary blowout preventer; if yes, the gas is not exhausted any more, colloidal liquid is injected from the four-way position of the wellhead and enters the annulus, the gap between the hexagonal drill rod of the wellhead and the rubber core of the rotary blowout preventer is filled with liquid flow in the circumferential direction under washing of the gas in the lower annulus till sealing is completed, and then the gas continues to be exhausted. Through the method and the system, the possibility of sealing failure of the shale oil horizontal wellhead rubber core is reduced; and the overall drilling speed is relatively high.

The invention relates to the technical field of oil and gas well drilling and completion engineering construction design, in particular to a casing tripping-in method and effect evaluation method based on casing thread safety, which comprises the following steps: predicting the maximum friction resistance of casing tripping-in, the bending position of a casing and the bending degree of the casing, and determining the hanging load of a wellhead casing; determining the relation between the bending degree of the wellhead casing and the applied axial force; determining the maximum impulse value generated by rapid tripping-in of the wellhead casing in case of resistance; the maximum safe speed value of casing running is determined; the well mouth casing pipe descends at the speed not larger than the safety maximum speed value until the well mouth casing pipe meets resistance and cannot continue to descend; the casing pipe is lifted by 20 m from a well mouth, and the casing pipe is lowered by 3-5 m at the speed not larger than the safety maximum speed value v; a pump is started on the ground, and high-pressure circulating drilling fluid enters the casing pipe to move The well mouth sleeve column pipe continues to run at the speed not larger than the maximum safe speed value v till running is conducted for 8-10 m, and the pump is stopped on the ground; and the wellhead sleeve continues to move downwards. Through the tripping-in method and the effect evaluation method, the safety of tripping-in of the casing pipe is ensured.

The invention discloses a kind of superhard formation drilling of geological exploration suitable for impregnated diamond bit, including steel body and matrix, the matrix of the drill bit is arranged on the steel body, the drill bit matrix is composed of two parts of working layer matrix and non-working layer matrix;The formula of working layer matrix and non-working matrix is different, and the sintering temperature of working layer matrix is higher than that of non-working layer matrix.The drill bit is suitable for superhard formation drilling, and has the advantages of fast drilling speed, high drilling efficiency and long service life.

This invention discloses a communication system for connecting a measurement-while-drilling (MWD) instrument to a rotary steerable tool (DSP), comprising: a single bus; multiple connection devices, each connected to the single bus and configured with a corresponding priority identifier; and a communication circuit connected to all connection devices via the single bus. This circuit first sets corresponding identification attribute values ​​for different priority identifiers, and then communicates with the current connection device according to a communication protocol matching the connection device with the first identification attribute value. At any given time, only one identification attribute value among all priority identifiers is set to the first value. This invention solves the problem of incompatibility in communication protocols between different types of instruments and reduces the difficulty of connecting instruments to each other.

The invention discloses a mineral geological exploration device convenient to install, and relates to the technical field of mineral geological exploration, the mineral geological exploration device comprises a supporting assembly, a device moving assembly, a height adjusting assembly and a drilling assembly.The supporting assembly comprises an assembly supporting plate, a trapezoidal linear guide rail, a spring and a soil scraping plate; the trapezoidal linear guide rail is fixedly installed at the top of the assembly supporting plate, the soil scraping plate is movably connected to one end of the spring, the device moving assembly comprises a rubber track, a double-output-shaft motor and a friction clutch, and the height adjusting assembly comprises a circular movable supporting rod and a sliding block. The drilling assembly comprises a hydraulic rod, a second motor and a drill rod connecting ring. By pushing the sliding blocks, the two sliding blocks on the trapezoidal linear guide rail move, the circular movable supporting rod is supported, the drilling assembly is moved to a certain height, and compared with a traditional support which is installed from bottom to top, high-place operation is not needed, the installation difficulty degree is reduced, and the working efficiency is improved.

The utility model discloses a small glass drilling machine, the utility model relates to glass drilling machine technical field. Including frame main part, the frame main part, the inner wall fixed with X axle crossbeam of frame main part, the outer wall sliding connection has of X axle crossbeam bow main part, the upper end of bow main part is provided with upper drill main body, the utility model operator places glass on mesa main body, and bow main part slides to glass drilling position along X axle crossbeam, and upper drill main body and lower drill main body align drilling point, through the cooperation of X axle and Y axle's movement, the flexible adjustment of drilling position has been realized, and the processing demand of different specifications glass is adapted, and the drilling speed can be improved to upper and lower drilling simultaneously, reduces single -hole processing time, compares the traditional single -time processing one hole's mode, and the processing efficiency is greatly promoted, and the uneven stress of glass in the drilling process can be reduced in upper and lower collaborative work, and the probability of glass breakage is reduced.

This invention relates to the field of drilling equipment technology, and more particularly to a mobile drilling device suitable for mineral exploration engineering. It includes a drilling rig body, a fixed base mounted on the drilling rig body, a lifting base movably mounted on the fixed base, a movable base slidably connected to the lifting base, a rotating cylinder rotatably connected to the movable base, a drill bit rotatably mounted at the bottom of the rotating cylinder, a drive assembly on the lifting base, and an auxiliary assembly inside the drill bit. This invention uses the drive assembly to drive the drill bit and the rotating cylinder to rotate in opposite directions at a differential speed. First, it causes the rotating cylinder to synchronously and intermittently lift, enabling impact crushing of the bottom of the borehole to improve drilling efficiency. Then, combined with the rotation of the rotating cylinder, it drives multiple auxiliary crushing discs within the auxiliary assembly to revolve around the drill bit while simultaneously rotating rapidly on their own axis. These auxiliary crushing discs thoroughly crush the area around the bottom of the drill bit, assisting in the overall crushing effect after the drill bit descends, further improving drilling efficiency.

The invention discloses a well wall stabilizing method based on formation water outflow prevention, and relates to the technical field of petroleum drilling, and the well wall stabilizing method comprises the following steps: 1, connecting a spraying tool on a drilling tool, drilling and expanding the inner diameter of a well wall of a to-be-cured area; 2, putting in a throw-in coating loading cylinder; 3, controlling the throw-in type paint loading cylinder to be connected with the spraying tool; 4, controlling the resin coating to enter the spraying tool and spray the resin coating to the well wall; 5, the drilling tool is static to solidify the curing resin; sixthly, the fourth step is repeated, and the catalytic coating is continuously sprayed to the resin coating; seventhly, the drilling tool is lifted upwards, the resin coating and the catalytic coating enter the microcracks, and a water outlet prevention isolation layer is formed; and 8, downward drilling continues, the step 1-the step 7 are repeated, and stabilization of the well wall of the rest to-be-cured area is completed. According to the method, a tight isolation layer can be formed on the well wall by using the sprayed cured resin in the drilling process, so that the effect of effectively preventing water from flowing out of the well wall is achieved, and an effective technical support is provided for on-site rapid drilling construction.

This invention belongs to the field of foundation reinforcement technology, and provides a drilling and vibration-pressure expansion pile system and its construction method. The system includes an acoustic drilling rig, a wireline coring tool assembly, and a guide tube assembly. The power head of the acoustic drilling rig is connected to the wireline coring tool assembly. The wireline coring tool assembly includes a hollow outer tube assembly and an inner tube assembly. The inner tube assembly is located inside the outer tube assembly and can be slidably removed along the outer tube assembly. The guide tube assembly passes through the power head and communicates with the inner cavity of the outer tube assembly. The system utilizes the acoustic drilling rig to drill the pile hole. The power head transmits torque and pressure to the wireline coring tool assembly, driving the drill bit to break the rock. After the inner tube assembly of the wireline coring tool assembly performs coring, concrete enters through the guide tube assembly and enters the bottom of the outer tube assembly to pour concrete into the target area at the bottom of the hole. Simultaneously, the acoustic drilling rig starts to perform high-frequency vibration, performing segmented lifting and pressing to vibrate and expand the pile on the deep, soft foundation, thus reinforcing the weak foundation.

The application relates to a liquid-driven enhanced rotary jet mechanism and a drill bit assembly, the liquid-driven enhanced rotary jet mechanism comprising an outer cylinder, a pad sleeve, a spiral rod, a center cylinder, a leakage cylinder and a guide nozzle, the pad sleeve being in a cylindrical structure and fixed on the inner side wall of the outer cylinder, the pad sleeve being internally provided with the spiral rod capable of rotating relative to the pad sleeve, the outer side wall of the spiral rod being provided with a spiral flow channel penetrating through the axial two ends of the spiral rod; the inner side wall of the outer cylinder is further provided with a bearing, the bearing being located below the pad sleeve and the spiral rod, the inner ring of the bearing being fixed with the center cylinder, the upper end of the center cylinder being fixedly connected with the lower end of the spiral rod, and the center flow channel being communicated with the lower end of the spiral flow channel on the outer side wall of the spiral rod; the lower end of the center flow channel is further provided with the leakage cylinder, and the guide nozzle is mounted on the leakage cylinder. The application can form an enhanced rotary jet, has the advantages of the rotary jet "water mill" effect of stretching-shearing rock breaking, can increase the fluid velocity of the drill bit surface, and can improve the drilling speed and protect the drill bit.

The utility model relates to a layered composite diamond-impregnated drill bit manufacturing mold, and belongs to the technical field of diamond drill bit manufacturing equipment, the layered composite diamond-impregnated drill bit manufacturing mold comprises a bottom mold and a core mold, and an annular containing groove is formed between the core mold and the bottom mold; the number of the first inserting blocks is multiple, and the multiple first inserting blocks are inserted into the annular containing groove at intervals and distributed around the core mold; and the number of the second inserting blocks is multiple, the multiple second inserting blocks are arranged between every two adjacent first inserting blocks in an inserted mode, and strip-shaped grooves are formed in the end faces, facing the bottom die, of the second inserting blocks. When the second inserting block presses materials through the ends where the strip-shaped grooves are located, the extrusion force borne by powder of the areas corresponding to the strip-shaped grooves and the working layers is small, the working layers with different density areas can be formed, after sintering forming, the end faces of the working layers form different hardness areas, the areas with the small hardness are abraded rapidly in the drilling process, grooves can be formed, then the blade parts are formed, and the service life of the blade parts is prolonged. The purpose of improving the drilling pressure and the drilling speed is achieved.